• All-metal end ring seal design for maximum service life. The industry standard for over 75 years.
• Provides 300% greater lubricant capacity than o-ring style couplings.
• Greater lubricant capacity allows longer periods between scheduled lubrications and longer service life.
• Straight tooth design provides improved load distribution, lower stresses and longer life for the gear teeth.

Technical Specifications

Fastener Quantity	8
Tooth Profile	Straight Faced Involute Hub tooth
Coupling Size	1.5
Bore Type	Rough Bore
Length Through Bore (in)	1.84375 in
Material	Medium Carbon Steel
Max Bore w/standard key for Flex Hub	1.625 in
Model Name	1-5-7_FR
Outside Diameter (in)	6 in
Rating HP @ 100 RPM	27
Bolt Type	Shrouded
Coupling Type	Gear Coupling
Hub Diameter (in)	3.8125 in
Compatible Bore Size [Min] (in)	0 in
Torque [Max] (in-lb)	34,000 in/lbs
Style	FASTS
Compatible Bore Size Flex Hub [Min] (in)	0 in
Torque Rating (in-lb)	17,000 in/lbs
Measurement System	Imperial
Configuration	Flex Rigid
Lube/Non-Lube	Lubricated
Speed Max (rpm)	12,000 rpm
Overall Length (in)	3.938 in
Sleeve Type	Flanged
Fastener Size	3/8 x 1
Bore Size Max (in)	1.63 in

General Specifications

UPC	662384010190
Weight	17.87 LB